diff --git a/metrics_reporter_android.cc b/metrics_reporter_android.cc
index 3cb356f..a5877cb 100644
--- a/metrics_reporter_android.cc
+++ b/metrics_reporter_android.cc
@@ -120,6 +120,7 @@
     int64_t num_bytes_downloaded[kNumDownloadSources],
     int download_overhead_percentage,
     base::TimeDelta total_duration,
+    base::TimeDelta /* total_duration_uptime */,
     int reboot_count,
     int /* url_switch_count */) {
   LogHistogram(metrics::kMetricsUpdateEngineSuccessfulUpdateAttemptCount,
diff --git a/metrics_reporter_android.h b/metrics_reporter_android.h
index ee94e43..a33e6f9 100644
--- a/metrics_reporter_android.h
+++ b/metrics_reporter_android.h
@@ -67,6 +67,7 @@
       int64_t num_bytes_downloaded[kNumDownloadSources],
       int download_overhead_percentage,
       base::TimeDelta total_duration,
+      base::TimeDelta total_duration_uptime,
       int reboot_count,
       int url_switch_count) override;
 
diff --git a/metrics_reporter_interface.h b/metrics_reporter_interface.h
index 2c7ce5b..e96ac1e 100644
--- a/metrics_reporter_interface.h
+++ b/metrics_reporter_interface.h
@@ -150,6 +150,7 @@
   //  |kMetricSuccessfulUpdateDownloadSourcesUsed|
   //  |kMetricSuccessfulUpdateDownloadOverheadPercentage|
   //  |kMetricSuccessfulUpdateTotalDurationMinutes|
+  //  |kMetricSuccessfulUpdateTotalDurationUptimeMinutes|
   //  |kMetricSuccessfulUpdateRebootCount|
   //  |kMetricSuccessfulUpdateUrlSwitchCount|
   //
@@ -164,6 +165,7 @@
       int64_t num_bytes_downloaded[kNumDownloadSources],
       int download_overhead_percentage,
       base::TimeDelta total_duration,
+      base::TimeDelta total_duration_uptime,
       int reboot_count,
       int url_switch_count) = 0;
 
diff --git a/metrics_reporter_omaha.cc b/metrics_reporter_omaha.cc
index 0397b83..df3e4d4 100644
--- a/metrics_reporter_omaha.cc
+++ b/metrics_reporter_omaha.cc
@@ -92,6 +92,8 @@
     "UpdateEngine.SuccessfulUpdate.RebootCount";
 const char kMetricSuccessfulUpdateTotalDurationMinutes[] =
     "UpdateEngine.SuccessfulUpdate.TotalDurationMinutes";
+const char kMetricSuccessfulUpdateTotalDurationUptimeMinutes[] =
+    "UpdateEngine.SuccessfulUpdate.TotalDurationUptimeMinutes";
 const char kMetricSuccessfulUpdateUpdatesAbandonedCount[] =
     "UpdateEngine.SuccessfulUpdate.UpdatesAbandonedCount";
 const char kMetricSuccessfulUpdateUrlSwitchCount[] =
@@ -363,6 +365,7 @@
     int64_t num_bytes_downloaded[kNumDownloadSources],
     int download_overhead_percentage,
     base::TimeDelta total_duration,
+    base::TimeDelta total_duration_uptime,
     int reboot_count,
     int url_switch_count) {
   string metric = metrics::kMetricSuccessfulUpdatePayloadSizeMiB;
@@ -442,6 +445,15 @@
                           365 * 24 * 60,  // max: 365 days ~= 1 year
                           50);            // num_buckets
 
+  metric = metrics::kMetricSuccessfulUpdateTotalDurationUptimeMinutes;
+  LOG(INFO) << "Uploading " << utils::FormatTimeDelta(total_duration_uptime)
+            << " for metric " << metric;
+  metrics_lib_->SendToUMA(metric,
+                          static_cast<int>(total_duration_uptime.InMinutes()),
+                          0,             // min: 0 min
+                          30 * 24 * 60,  // max: 30 days
+                          50);           // num_buckets
+
   metric = metrics::kMetricSuccessfulUpdateRebootCount;
   LOG(INFO) << "Uploading reboot count of " << reboot_count << " for metric "
             << metric;
diff --git a/metrics_reporter_omaha.h b/metrics_reporter_omaha.h
index c19fe86..5e88923 100644
--- a/metrics_reporter_omaha.h
+++ b/metrics_reporter_omaha.h
@@ -70,6 +70,7 @@
 extern const char kMetricSuccessfulUpdatePayloadSizeMiB[];
 extern const char kMetricSuccessfulUpdateRebootCount[];
 extern const char kMetricSuccessfulUpdateTotalDurationMinutes[];
+extern const char kMetricSuccessfulUpdateTotalDurationUptimeMinutes[];
 extern const char kMetricSuccessfulUpdateUpdatesAbandonedCount[];
 extern const char kMetricSuccessfulUpdateUrlSwitchCount[];
 
@@ -131,6 +132,7 @@
       int64_t num_bytes_downloaded[kNumDownloadSources],
       int download_overhead_percentage,
       base::TimeDelta total_duration,
+      base::TimeDelta total_duration_uptime,
       int reboot_count,
       int url_switch_count) override;
 
diff --git a/metrics_reporter_omaha_unittest.cc b/metrics_reporter_omaha_unittest.cc
index 76e33c6..2fe5d66 100644
--- a/metrics_reporter_omaha_unittest.cc
+++ b/metrics_reporter_omaha_unittest.cc
@@ -258,6 +258,7 @@
   num_bytes_downloaded[0] = 200 * kNumBytesInOneMiB;
   int download_overhead_percentage = 20;
   TimeDelta total_duration = TimeDelta::FromMinutes(30);
+  TimeDelta total_duration_uptime = TimeDelta::FromMinutes(20);
   int reboot_count = 2;
   int url_switch_count = 2;
 
@@ -306,6 +307,14 @@
       .Times(1);
   EXPECT_CALL(
       *mock_metrics_lib_,
+      SendToUMA(metrics::kMetricSuccessfulUpdateTotalDurationUptimeMinutes,
+                20,
+                _,
+                _,
+                _))
+      .Times(1);
+  EXPECT_CALL(
+      *mock_metrics_lib_,
       SendToUMA(
           metrics::kMetricSuccessfulUpdateRebootCount, reboot_count, _, _, _))
       .Times(1);
@@ -333,6 +342,7 @@
                                           num_bytes_downloaded,
                                           download_overhead_percentage,
                                           total_duration,
+                                          total_duration_uptime,
                                           reboot_count,
                                           url_switch_count);
 }
diff --git a/metrics_reporter_stub.h b/metrics_reporter_stub.h
index d0f75ab..6ffd05c 100644
--- a/metrics_reporter_stub.h
+++ b/metrics_reporter_stub.h
@@ -67,6 +67,7 @@
       int64_t num_bytes_downloaded[kNumDownloadSources],
       int download_overhead_percentage,
       base::TimeDelta total_duration,
+      base::TimeDelta total_duration_uptime,
       int reboot_count,
       int url_switch_count) override {}
 
diff --git a/mock_metrics_reporter.h b/mock_metrics_reporter.h
index c35a105..3d39049 100644
--- a/mock_metrics_reporter.h
+++ b/mock_metrics_reporter.h
@@ -56,16 +56,17 @@
 
   MOCK_METHOD0(ReportAbnormallyTerminatedUpdateAttemptMetrics, void());
 
-  MOCK_METHOD9(ReportSuccessfulUpdateMetrics,
-               void(int attempt_count,
-                    int updates_abandoned_count,
-                    PayloadType payload_type,
-                    int64_t payload_size,
-                    int64_t num_bytes_downloaded[kNumDownloadSources],
-                    int download_overhead_percentage,
-                    base::TimeDelta total_duration,
-                    int reboot_count,
-                    int url_switch_count));
+  MOCK_METHOD10(ReportSuccessfulUpdateMetrics,
+                void(int attempt_count,
+                     int updates_abandoned_count,
+                     PayloadType payload_type,
+                     int64_t payload_size,
+                     int64_t num_bytes_downloaded[kNumDownloadSources],
+                     int download_overhead_percentage,
+                     base::TimeDelta total_duration,
+                     base::TimeDelta total_duration_uptime,
+                     int reboot_count,
+                     int url_switch_count));
 
   MOCK_METHOD2(ReportCertificateCheckMetrics,
                void(ServerToCheck server_to_check,
diff --git a/payload_state.cc b/payload_state.cc
index 48cbb05..b0e949b 100644
--- a/payload_state.cc
+++ b/payload_state.cc
@@ -729,6 +729,7 @@
   SetNumReboots(0);
 
   TimeDelta duration = GetUpdateDuration();
+  TimeDelta duration_uptime = GetUpdateDurationUptime();
 
   prefs_->Delete(kPrefsUpdateTimestampStart);
   prefs_->Delete(kPrefsUpdateDurationUptime);
@@ -749,6 +750,7 @@
       total_bytes_by_source,
       download_overhead_percentage,
       duration,
+      duration_uptime,
       reboot_count,
       url_switch_count);
 }
diff --git a/payload_state_unittest.cc b/payload_state_unittest.cc
index f71a8c1..52c28d0 100644
--- a/payload_state_unittest.cc
+++ b/payload_state_unittest.cc
@@ -871,7 +871,7 @@
 
   EXPECT_CALL(*fake_system_state.mock_metrics_reporter(),
               ReportSuccessfulUpdateMetrics(
-                  1, _, kPayloadTypeFull, _, _, 314, _, _, 3));
+                  1, _, kPayloadTypeFull, _, _, 314, _, _, _, 3));
 
   payload_state.UpdateSucceeded();
 
@@ -920,6 +920,7 @@
                   _,
                   _,
                   _,
+                  _,
                   _))
       .Times(1);
 
@@ -1305,9 +1306,9 @@
 
   // Simulate a successful download and update.
   payload_state.DownloadComplete();
-  EXPECT_CALL(
-      *fake_system_state.mock_metrics_reporter(),
-      ReportSuccessfulUpdateMetrics(_, _, kPayloadTypeDelta, _, _, _, _, _, _));
+  EXPECT_CALL(*fake_system_state.mock_metrics_reporter(),
+              ReportSuccessfulUpdateMetrics(
+                  _, _, kPayloadTypeDelta, _, _, _, _, _, _, _));
   payload_state.UpdateSucceeded();
 
   // Mock the request to a request where the delta was disabled but Omaha sends
@@ -1321,9 +1322,9 @@
 
   payload_state.DownloadComplete();
 
-  EXPECT_CALL(
-      *fake_system_state.mock_metrics_reporter(),
-      ReportSuccessfulUpdateMetrics(_, _, kPayloadTypeDelta, _, _, _, _, _, _));
+  EXPECT_CALL(*fake_system_state.mock_metrics_reporter(),
+              ReportSuccessfulUpdateMetrics(
+                  _, _, kPayloadTypeDelta, _, _, _, _, _, _, _));
   payload_state.UpdateSucceeded();
 }
 
@@ -1346,7 +1347,7 @@
 
   EXPECT_CALL(*fake_system_state.mock_metrics_reporter(),
               ReportSuccessfulUpdateMetrics(
-                  _, _, kPayloadTypeForcedFull, _, _, _, _, _, _));
+                  _, _, kPayloadTypeForcedFull, _, _, _, _, _, _, _));
   payload_state.UpdateSucceeded();
 }
 
@@ -1368,9 +1369,9 @@
   // Simulate a successful download and update.
   payload_state.DownloadComplete();
 
-  EXPECT_CALL(
-      *fake_system_state.mock_metrics_reporter(),
-      ReportSuccessfulUpdateMetrics(_, _, kPayloadTypeFull, _, _, _, _, _, _));
+  EXPECT_CALL(*fake_system_state.mock_metrics_reporter(),
+              ReportSuccessfulUpdateMetrics(
+                  _, _, kPayloadTypeFull, _, _, _, _, _, _, _));
   payload_state.UpdateSucceeded();
 }
 
diff --git a/update_attempter_android.cc b/update_attempter_android.cc
index 3ca8db7..2f842ac 100644
--- a/update_attempter_android.cc
+++ b/update_attempter_android.cc
@@ -748,6 +748,7 @@
         num_bytes_downloaded,
         download_overhead_percentage,
         duration,
+        duration_uptime,
         static_cast<int>(reboot_count),
         0);  // url_switch_count
   }
diff --git a/update_attempter_android_unittest.cc b/update_attempter_android_unittest.cc
index 7d0daec..6b53a21 100644
--- a/update_attempter_android_unittest.cc
+++ b/update_attempter_android_unittest.cc
@@ -140,7 +140,8 @@
                                  ErrorCode::kSuccess))
       .Times(1);
   EXPECT_CALL(*metrics_reporter_,
-              ReportSuccessfulUpdateMetrics(2, 0, _, _, _, _, duration, 3, _))
+              ReportSuccessfulUpdateMetrics(
+                  2, 0, _, _, _, _, duration, duration_uptime, 3, _))
       .Times(1);
 
   SetUpdateStatus(UpdateStatus::UPDATE_AVAILABLE);
@@ -181,6 +182,7 @@
                   125,
                   _,
                   _,
+                  _,
                   _))
       .Times(1);